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Finding the Fourth Proportional to 618,546.76, 927,557.70 and 219,288.04

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Solution

The fourth proportional to 618,546.76, 927,557.70 and 219,288.04 is: 328,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,546.76 : 927,557.70 = 219,288.04 : x
  2. Step 2: Convert to fraction form
    618,546.76/927,557.70 = 219,288.04/x
  3. Step 3: Cross multiply
    618,546.76x = 927,557.70 × 219,288.04
  4. Step 4: Simplify right side
    618,546.76x = 203,402,310,019.91
  5. Step 5: Solve for x
    x = 203,402,310,019.91/618,546.76
  6. Step 6: Final answer
    x = 328,839.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.